North America Native Plant

Menzies’ Wallflower

Botanical name: Erysimum menziesii menziesii

USDA symbol: ERMEM2

Life cycle: biennial

Habit: forb

Native status: Native to the lower 48 states  

Menzies’ Wallflower: A Golden Gem for California Coastal Gardens If you’re looking to add a splash of sunshine to your California garden while supporting native biodiversity, Menzies’ wallflower (Erysimum menziesii menziesii) might just be your new favorite plant. This cheerful native brings bright yellow blooms and easy-care charm to landscapes ...

Rare plant alert!

Region: Conservation status by state

Status: S3?TUQ: Status is uncertain but is somewhere between the following rankings: Inexact rank: ⚘ Uncertain taxonomy: ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Menzies’ Wallflower: A Golden Gem for California Coastal Gardens

If you’re looking to add a splash of sunshine to your California garden while supporting native biodiversity, Menzies’ wallflower (Erysimum menziesii menziesii) might just be your new favorite plant. This cheerful native brings bright yellow blooms and easy-care charm to landscapes throughout the Golden State.

Meet Menzies’ Wallflower

Menzies’ wallflower is a true California native, belonging to the mustard family and classified as both a biennial and perennial plant. As a forb – essentially a non-woody flowering plant – it produces clusters of vibrant yellow, four-petaled flowers that seem to glow against its narrow, linear foliage. Don’t let its delicate appearance fool you; this little beauty is tougher than it looks!

Where Does It Call Home?

This native gem is exclusively found in California, where it has adapted perfectly to the state’s unique coastal conditions. You’ll typically find wild populations growing along coastal bluffs, dunes, and rocky outcrops where they’ve learned to thrive in challenging conditions.

Why Plant Menzies’ Wallflower?

There are plenty of reasons to fall in love with this native beauty:

  • Pollinator magnet: Those cheerful yellow blooms are like a beacon for bees, butterflies, and other beneficial pollinators
  • Low maintenance: Once established, it’s remarkably drought-tolerant and requires minimal care
  • Native credentials: Supporting local ecosystems while reducing water usage? That’s a win-win!
  • Versatile beauty: Perfect for coastal gardens, rock gardens, xeriscapes, and native plant landscapes
  • Long blooming season: Enjoy those sunny flowers for extended periods throughout the growing season

A Word About Conservation

Before you rush out to plant Menzies’ wallflower, there’s something important to know: this species has an uncertain conservation status. While it’s not currently listed as endangered, its status requires some care on our part as gardeners. If you decide to grow this beauty, please make sure you source your plants or seeds from reputable native plant nurseries that practice ethical collection methods. Never collect from wild populations!

Growing Menzies’ Wallflower Successfully

The good news? This California native is surprisingly easy to grow if you can mimic its natural coastal habitat.

Perfect Growing Conditions

  • Sunlight: Full sun is essential for best flowering
  • Soil: Well-draining soil is crucial – think sandy, rocky, or loamy soils that don’t hold water
  • Water: Drought-tolerant once established, but appreciates occasional deep watering during dry spells
  • Climate: Thrives in USDA hardiness zones 9-10, perfect for California’s coastal and Mediterranean climates

Planting and Care Tips

Getting started with Menzies’ wallflower is straightforward:

  • Best planting time: Fall planting allows roots to establish during the mild, wet season
  • Spacing: Give plants room to breathe – they appreciate good air circulation
  • Watering: Water regularly during the first growing season, then reduce frequency as plants mature
  • Maintenance: Deadhead spent flowers to encourage continued blooming and prevent excessive self-seeding
  • Fertilizing: Generally unnecessary – these plants are adapted to lean soils

Design Ideas and Garden Roles

Menzies’ wallflower shines in several garden settings:

  • Coastal gardens: Natural choice for seaside landscapes where it feels right at home
  • Rock gardens: Those bright flowers create stunning contrasts against stone and gravel
  • Native plant gardens: Essential for authentic California native plant communities
  • Xeriscapes: Perfect for water-wise landscapes that don’t sacrifice beauty
  • Pollinator gardens: A valuable nectar source for beneficial insects

The Bottom Line

Menzies’ wallflower offers California gardeners a wonderful opportunity to grow a beautiful, low-maintenance native plant that supports local ecosystems. Its bright yellow flowers, drought tolerance, and pollinator appeal make it a valuable addition to appropriate garden settings. Just remember to source your plants responsibly and give them the well-draining conditions they crave. With minimal care, you’ll be rewarded with seasons of golden blooms that bring both beauty and ecological value to your landscape.

Whether you’re creating a coastal garden, adding to a native plant collection, or simply want a cheerful, easy-care perennial, Menzies’ wallflower deserves a spot on your plant wish list!

Menzies’ Wallflower

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Capparales

Family

Brassicaceae Burnett - Mustard family

Genus

Erysimum L. - wallflower

Species

Erysimum menziesii (Hook.) Wettst. - Menzies' wallflower

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA